Great for Spas!
Tests for Free Chlorine, Bromine, Alkalinity, pH, Total Hardness
The Insta-TEST® 4 Plus pool & spa strip measures Free Chlorine 0-10 ppm, Bromine 0-20 ppm, Total Alkalinity 0-240 ppm, pH 6.2-9.0, and Total Hardness 0-800 ppm.
This test strip is a dip-n-read strip with instant results. 
Read on your phone with the Lamotte App! 
Each bottle includes 50 test strips packaged in a waterproof PopTop bottle with a hinged cap.
The bottle has a molded desiccant liner, which protects the strips from moisture and UV light. The Insta-TEST® 4 Plus strip is ideal for spa owners who need the most critical tests for perfect water balance.
 
Specifications
 
Test Factor
Range
Free Chlorine
0, 0.5, 1, 3, 5, 10 ppm
Bromine
0, 1, 2, 6, 10, 20 ppm
Alkalinity
0, 40, 80, 120, 180, 240 ppm
pH
6.2, 6.8, 7.2, 7.8, 8.4, 9.0